'Grace of God' in the Bible

Who, when he arrived there, and beheld the grace of God, rejoiced, and exhorted them all, with full purpose of heart to adhere to the Lord.

And when the synagogue was dismissed, many of the Jews and of the devout proselytes followed Paul and Barnabas: who, exhorting them, persuaded them to abide stedfast in the grace of God.

and thence sailed for Antioch, from whence they had been commended to the grace of God for the service which they had performed.

Yet I make no account of any [suffering], nor regard my life as of any value to myself, farther than as I may finish my course with joy, and the ministry which I have received of the Lord, to testify fully the Gospel of the grace of God.